mirror of https://github.com/embarklabs/embark.git
97 lines
3.6 KiB
JavaScript
97 lines
3.6 KiB
JavaScript
const {PerformanceObserver, performance} = require('perf_hooks');
|
|
require('colors');
|
|
const utils = require('../../utils/utils.js');
|
|
const i18n = require('../../core/i18n/i18n.js');
|
|
i18n.setOrDetectLocale('en');
|
|
|
|
class NpmTimer{
|
|
constructor(options){
|
|
this._logger = (options.logger && typeof options.logger.info == 'function') ? options.logger : console;
|
|
this._packageName = options.packageName;
|
|
this._version = options.version;
|
|
this._showSpinner = options.showSpinner || false;
|
|
this._spinnerStyle = options.spinnerStyle || 'dots';
|
|
this._interval = options.interval || 750;
|
|
|
|
// define mark and measurement names
|
|
this._startMark = 'downloadStart' + this._packageName + this._version;
|
|
this._ongoingMark = 'downloadOngoingMark' + this._packageName + this._version;
|
|
this._downloadOngoing = 'downloadOngoing' + this._packageName + this._version;
|
|
this._endMark = 'downloadEnd' + this._packageName + this._version;
|
|
this._downloadComplete = 'downloadComplete' + this._packageName + this._version;
|
|
|
|
this.observer.observe({entryTypes: ['measure']});
|
|
}
|
|
|
|
get observer(){
|
|
if(typeof this._observer == 'undefined'){
|
|
this._observer = new PerformanceObserver((items) => {
|
|
let entry;
|
|
let strDuration;
|
|
|
|
// find any download ongoing measurements we've made
|
|
entry = utils.last(items.getEntries().filter(entry => entry.name === this._downloadOngoing));
|
|
if(entry){
|
|
// ongoing performance mark
|
|
strDuration = __('Downloading and installing {{packageName}} {{version}}... ({{duration}}ms elapsed)', {packageName: this._packageName, version: this._version, duration: entry.duration});
|
|
if(this._spinner) this._spinner.text = strDuration;
|
|
}
|
|
else{
|
|
// otherwise, find our download complete measurement
|
|
entry = utils.last(items.getEntries().filter(entry => entry.name === this._downloadComplete));
|
|
|
|
if(entry){
|
|
strDuration = __('Finished downloading and installing {{packageName}} {{version}} in {{duration}}ms', {packageName: this._packageName, version: this._version, duration: entry.duration});
|
|
performance.clearMarks();
|
|
if(this._spinner) this._spinner.succeed(strDuration);
|
|
}
|
|
}
|
|
|
|
// log our measurement and make it red if it has taken too long
|
|
if(!this._showSpinner && entry && strDuration){
|
|
if(entry.duration > 4000){
|
|
strDuration = strDuration.red;
|
|
}
|
|
this._logger.info(strDuration);
|
|
}
|
|
|
|
});
|
|
}
|
|
return this._observer;
|
|
}
|
|
|
|
start(){
|
|
let self = this;
|
|
|
|
const strDownloadStart = __("Downloading and installing {{packageName}} {{version}}...", {packageName: this._packageName, version: this._version});
|
|
if(this._showSpinner){
|
|
const ora = require('ora');
|
|
this._spinner = ora({
|
|
spinner: this._spinnerStyle,
|
|
text: strDownloadStart
|
|
}).start();
|
|
}else{
|
|
this._logger.info(strDownloadStart);
|
|
}
|
|
|
|
// mark our start time
|
|
performance.mark(this._startMark);
|
|
|
|
// function that continually updates the console to show user that we're downloading a library
|
|
this._intOngoingDownload = setInterval(
|
|
function(){
|
|
performance.mark(self._ongoingMark);
|
|
performance.measure(self._downloadOngoing, self._startMark, self._ongoingMark);
|
|
}, this._interval);
|
|
}
|
|
|
|
end(){
|
|
// stop updating console for ongoing download
|
|
clearInterval(this._intOngoingDownload);
|
|
performance.mark(this._endMark);
|
|
performance.measure(this._downloadComplete, this._startMark, this._endMark);
|
|
}
|
|
}
|
|
|
|
module.exports = NpmTimer;
|